Symfony\Bundle\FrameworkBundle\Controller\Controller::redirect PHP Method

    protected function redirect($url, $status = 302)
    {
        return new RedirectResponse($url, $status);
    }

 public function redirect($url, $status = 302)
 {
     if ($url instanceof Request) {
         $url = $this->generateUrl($url);
     }
     return parent::redirect($url, $status);
 }